The Web Celeb 25

10. Jason Calacanis

Jason Calacanis is a media entrepreneur who created some of the Web’s hottest sites: As the co-founder of publishing company Weblogs Inc, Calacanis oversaw the creation of sites like Engadget and Joystiq. In 2005, the company was sold to AOL for a reported $25 million. Today he runs Mahalo.com, a human-moderated search engine; appears frequently in media as a tech expert; and is a top user on microblogging site Twitter. Calacanis returns to the Web Celeb 25 list this year; he ranked No. 23 in 2007, but dropped off in 2008.